Ollie Culbreth, Jr. School, PS #14
May 2021
Grade 7 Science Class-8:45 a.m to 9:15 a.m (Rm-320) Ms. Persaud & Ms. Casey.
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Vocabulary, write the definitions for the following terms. Absorption 548 Transmission p.548 Reflection p.548 Law of reflection p. 549 Refraction p. 550 Diffraction p. 551 Interference p. 551
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Homework-Use the terms Transmission, Law of reflection, and Refraction in a sentence.
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Describe two types of wave interference. p.552
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The change in the direction of a wave when it travels through an opening is _______
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Which will NOT occur when a light ray interacts with a smooth pane of glass.
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Compare and contrast reflection, refraction, and diffraction. P 551
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What is the Law of reflection? P. 549
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Describe two types of wave interference. P. 552
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RCQ-Give one reason why the energy carried by sound waves travel through air. P.548
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KCQ-What are three ways that waves interact with matter? P.548
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Contrast the behavior of water that travel by a stone barrier to a sound wave that travel through a door.
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Light waves travel at the same speed in all materials.
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Explain the law of reflection.
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When light waves strike a mirror, they change direction.
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Distinguish between refraction and diffraction.
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Homework-What is the relationship among frequency, pitch, and wavelength? P.575
8:45 AM
IXL- K.1 (Compare amplitudes, wavelengths, and frequencies of waves.)
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IXL- K.2 (Compare energy waves).
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IXL- skill set-J.1(Particle motion and energy).1-(How does particle motion affect temperature?).
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How is the intensity of sound related to energy? p.574
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How is the amplitude of sound waves related to energy? P 573
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IXL- skill set-I-1( Thermal Energy) 1 (Predict heat flow and temperature changes).
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Homework-XL- skill set-W.1 (Ecological interactions). 1 (How does matter move in food chains?)
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IXL- skill set-W.2 (Ecological interactions)2 (Interpret food webs I)
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IXL- skill set-W.1 (Ecological interactions) 1-(How does matter move in food chain?)
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IXL- skill set-W.1 (Ecological interactions) 1-(How does matter move in food chain?
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Homework- Vocabulary. Wavelength, Frequency, Doppler effect, and Interference. Use each term in a complete sentence.
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KCC-What is the relationship among frequency, pitch and wavelength? p 575
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Producers make their own food.
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List the 3 part of the food chain?
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How do plants make their own food?
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Which part of the food chain do producers make up.
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Why are plants producers?
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What is photosynthesis?
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What is the difference between fundamental and overtone? p.577
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QUIZ-Define resonance, p 578
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Quiz-How can you recognize sounds from different sources? p 578
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Quiz-KCC-In what ways are musical sounds produced? P.579
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Test-As the _______ of a sound wave increases, the pitch of the sound gets lower.
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Test-Describe the doppler effect in your own words.
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Test-Use the term resonance in a complete sentence,
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What is sound?
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How do we hear sound in the inner ear?
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Which animal sound is a disturbance of particles?
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Define the following terms, Absorption p. 584, Reflection p. 584, echo p. 584, Reverberation p. 585 Acoustics p. 585, Echolocation p 587, and Sonar p. 587
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Homework- Use the following terms, Absorption p. 584, Echo p. 584, and Acoustics p. 585 in a complete sentence. (Use your own words).
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KCC-What are some ways in which sound waves interact with matter. p 584
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POP-QUIZ-Explain reverberation and Acoustics in your own words.
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Explain the terms sonar and echolocation using your own words p.587
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How can people see under water using sonar? P. 587
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What are some ways in which people can control sound? p 586.
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what is electromagnetic radiation? p. 601
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How do electro magnetic waves form? p. 602
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Homework-Define the following terms Electromagnetic wave and Radiant energy. p 601
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What are some properties of electromagnetic waves? P 603
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Use the term radiant energy and electromagnetic wave in a sentence. p 606
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Why can the Sun's rays cause a burn, but the light form a flashlight cannot harm your skin? p. 605
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